1 files changed, 1 insertions, 1 deletions
diff --git a/fxjs/xfa/cjx_ui.h b/fxjs/xfa/cjx_ui.h
index e63fa47fbe..4fb199049f 100644
--- a/fxjs/xfa/cjx_ui.h
+++ b/fxjs/xfa/cjx_ui.h
@@ -12,7 +12,7 @@
 
 class CXFA_Ui;
 
-class CJX_Ui : public CJX_Node {
+class CJX_Ui final : public CJX_Node {
  public:
   explicit CJX_Ui(CXFA_Ui* node);
   ~CJX_Ui() override;